Home / 147,055.38-220,615.88-53,561.13

Finding the Fourth Proportional to 147,055.38, 220,615.88 and 53,561.13

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Solution

The fourth proportional to 147,055.38, 220,615.88 and 53,561.13 is: 80,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,055.38 : 220,615.88 = 53,561.13 : x
  2. Step 2: Convert to fraction form
    147,055.38/220,615.88 = 53,561.13/x
  3. Step 3: Cross multiply
    147,055.38x = 220,615.88 × 53,561.13
  4. Step 4: Simplify right side
    147,055.38x = 11,816,435,828.74
  5. Step 5: Solve for x
    x = 11,816,435,828.74/147,055.38
  6. Step 6: Final answer
    x = 80,353.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.